42491356851289646421

Names of 42491356851289646421

• Cardinal: 42491356851289646421 can be written as Forty-two quintillion, four hundred ninety-one quadrillion, three hundred fifty-six trillion, eight hundred fifty-one billion, two hundred eighty-nine million, six hundred forty-six thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 4.2491356851289646421 × 10¹⁹

Factors of 42491356851289646421

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 434474073

Divisors of 42491356851289646421

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 11 33 99 103 121 309 363 927 1089 1133 3399 10197 12463 37389 112167 873667 2621001 7863003 9610337 28831011 86493033 89987701 105713707 269963103 317141121 433600289 809889309 951423363 989864711 1300800867 2969594133 3902402601 4769603179 8908782399 10888511821 14308809537 32665535463 42926428611 44660829767 52465634969 97996606389 133982489301 157396904907 401947467903 472190714721 491269127437 1473807382311 4421422146933 5403960401807 16211881205421 48635643616263 378822263689763 1136466791069289 3409400373207867 4167044900587393 12501134701762179 37503404105286537 39018693160045589 45837493906461323 117056079480136767 137512481719383969 351168238440410301 412537445158151907 429205624760501479 1287616874281504437 3862850622844513311 4721261872365516269 14163785617096548807 42491356851289646421
• Sum of all divisors σ(n): 68118382293007475520
• Sum of proper divisors (its aliquot sum) s(n): 25627025441717829099
• 42491356851289646421 is a deficient number, because the sum of its proper divisors (25627025441717829099) is less than itself. Its deficiency is 16864331409571817322

Bases of 42491356851289646421

• Binary: 100100110110101111100111111110110101101001011110101110010101010101₂
• Hexadecimal: 0x24DAF9FED697AE555
• Base-36: 8YTUWWH7B9179

Squares and roots of 42491356851289646421

• 42491356851289646421 squared (42491356851289646421²) is 1805515407063639575071735855591198109241
• 42491356851289646421 cubed (42491356851289646421³) is 76718799462042596326935473486090891543225175131534622676461
• The square root of 42491356851289646421 is 6518539472.2506395529
• The cube root of 42491356851289646421 is 3489529.4382651225

Scales and comparisons

• 42,491,356,851,289,646,421 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 42,491,356,851,289,646,421 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 42491356851289646421 cubic inches would be around 290794.1 feet tall.

Recreational maths with 42491356851289646421

• 42491356851289646421 backwards is 12464698215865319424
• The number of decimal digits it has is: 20
• The sum of 42491356851289646421's digits is 90
• More coming soon!